<script setup>
import { onMounted,reactive } from "vue";
//  按需引入 echarts
import * as echarts from "echarts";
import {getEchartData} from "@/api/echartsData"

onMounted(() => {
  getEchartDataInfo();
});
const xData = reactive([])
const yData = reactive([])
function init() {
  // 基于准备好的dom，初始化echarts实例
  let myChart = echarts.init(document.getElementById("main"));
  // 指定图表的配置项和数据
  let option = {
    title: {
      text: "ECharts 入门示例",
    },
    tooltip: {},
    legend: {
      data: ["销量"],
    },
    xAxis: {
      data: xData.value
      // data: ["衬衫", "羊毛衫", "雪纺衫", "裤子", "高跟鞋", "袜子"],
    },
    yAxis: {},
    series: [
      {
        name: "销量",
        type: "bar",
        data: yData.value
        // data: [5, 20, 36, 10, 10, 20],
      },
    ],
  };
  // 使用刚指定的配置项和数据显示图表。
  myChart.setOption(option);
}
const getEchartDataInfo = async ()=>{
  const id = 10141
  const params = {schoolCode: id}
  const res = await getEchartData(params)
  const newXData = res.data.map(item=> item.year)
  const newYData = res.data.map(item=>item.lowestRank)
  xData.value = newXData
  yData.value = newYData
  init()
}
</script>

<template>
  <div id="main" style="width: 1000px; height: 400px"></div>
</template>

<style scoped lang="scss"></style>
